Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, front bank O2 sensor change in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Guys my drivers side O2 sensor keeps triggering check engine. So I think its going out. I understand how to ...
- 07-18-13 10:37 AM #1Cadillac Owners Fanatic
- Automobile(s): 2007 CTS, 2007 ESV
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- Sep 2012
- The city of the 500
front bank O2 sensor change
Guys my drivers side O2 sensor keeps triggering check engine. So I think its going out. I understand how to change it but I cannot get to the harness to unplug the old one. I don't want to pull or tug And break something. Is the easiest way to get to that harness is to remove the upper manifold? What have others done for a more simpler install?
- 07-18-13 11:42 AM #2
What year is your car?
- 07-18-13 01:42 PM #3
2007, 3.6 sorry
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